diff --git a/pkgs/development/python-modules/cddb/default.nix b/pkgs/development/python-modules/cddb/default.nix
index f40ff08fcf42..86c6e8b0d80a 100644
--- a/pkgs/development/python-modules/cddb/default.nix
+++ b/pkgs/development/python-modules/cddb/default.nix
@@ -5,13 +5,14 @@
 }:
 
 buildPythonPackage rec {
-  name = "CDDB-1.4";
+  pname = "CDDB";
+  version = "1.4";
   disabled = isPy3k;
 
   buildInputs = stdenv.lib.optionals stdenv.isDarwin [ pkgs.darwin.apple_sdk.frameworks.IOKit ];
 
   src = pkgs.fetchurl {
-    url = "http://cddb-py.sourceforge.net/${name}.tar.gz";
+    url = "http://cddb-py.sourceforge.net/${pname}-${version}.tar.gz";
     sha256 = "098xhd575ibvdx7i3dny3lwi851yxhjg2hn5jbbgrwj833rg5l5w";
   };
 
diff --git a/pkgs/development/python-modules/deskcon/default.nix b/pkgs/development/python-modules/deskcon/default.nix
index 2e205ce69557..218f843e11a8 100644
--- a/pkgs/development/python-modules/deskcon/default.nix
+++ b/pkgs/development/python-modules/deskcon/default.nix
@@ -7,7 +7,8 @@
 }:
 
 buildPythonPackage {
-  name = "deskcon-0.3";
+  pname = "deskcon";
+  version = "0.3";
   disabled = isPy3k;
 
   src = pkgs.fetchFromGitHub {
diff --git a/pkgs/development/python-modules/gateone/default.nix b/pkgs/development/python-modules/gateone/default.nix
index 7a6aa659acec..372cdae8c233 100644
--- a/pkgs/development/python-modules/gateone/default.nix
+++ b/pkgs/development/python-modules/gateone/default.nix
@@ -8,7 +8,8 @@
 }:
 
 buildPythonPackage {
-  name = "gateone-1.2-0d57c3";
+  pname = "gateone";
+  version = "1.2-0d57c3";
   disabled = isPy3k;
 
   src = pkgs.fetchFromGitHub {
diff --git a/pkgs/development/python-modules/mutag/default.nix b/pkgs/development/python-modules/mutag/default.nix
index 0d5d8d75a368..5dd34fef112f 100644
--- a/pkgs/development/python-modules/mutag/default.nix
+++ b/pkgs/development/python-modules/mutag/default.nix
@@ -6,7 +6,8 @@
 }:
 
 buildPythonPackage {
-  name = "mutag-0.0.2-2ffa0258ca";
+  pname = "mutag";
+  version = "0.0.2-2ffa0258ca";
   disabled = ! isPy3k;
 
   src = fetchgit {
diff --git a/pkgs/development/python-modules/notmuch/default.nix b/pkgs/development/python-modules/notmuch/default.nix
index 567977a84f54..5d5a85b6fdd8 100644
--- a/pkgs/development/python-modules/notmuch/default.nix
+++ b/pkgs/development/python-modules/notmuch/default.nix
@@ -1,20 +1,18 @@
 { stdenv
 , buildPythonPackage
-, pkgs
+, notmuch
 , python
 }:
 
 buildPythonPackage {
-  name = "python-${pkgs.notmuch.name}";
+  inherit (notmuch) pname version src;
 
-  src = pkgs.notmuch.src;
+  sourceRoot = notmuch.pythonSourceRoot;
 
-  sourceRoot = pkgs.notmuch.pythonSourceRoot;
-
-  buildInputs = [ python pkgs.notmuch ];
+  buildInputs = [ python notmuch ];
 
   postPatch = ''
-    sed -i -e '/CDLL/s@"libnotmuch\.@"${pkgs.notmuch}/lib/libnotmuch.@' \
+    sed -i -e '/CDLL/s@"libnotmuch\.@"${notmuch}/lib/libnotmuch.@' \
       notmuch/globals.py
   '';
 
diff --git a/pkgs/development/python-modules/slob/default.nix b/pkgs/development/python-modules/slob/default.nix
index 8a6971ceb8f8..48400f910c4f 100644
--- a/pkgs/development/python-modules/slob/default.nix
+++ b/pkgs/development/python-modules/slob/default.nix
@@ -7,8 +7,8 @@
 }:
 
 buildPythonPackage {
-  name = "slob";
-  verison = "unstable-2016-11-03";
+  pname = "slob";
+  version = "unstable-2016-11-03";
   disabled = !isPy3k;
 
   src = fetchFromGitHub {
diff --git a/pkgs/development/python-modules/tkinter/default.nix b/pkgs/development/python-modules/tkinter/default.nix
index ba910f75e199..1efebed98721 100644
--- a/pkgs/development/python-modules/tkinter/default.nix
+++ b/pkgs/development/python-modules/tkinter/default.nix
@@ -6,7 +6,8 @@
 }:
 
 buildPythonPackage {
-  name = "tkinter-${python.version}";
+  pname = "tkinter";
+  version = python.version;
   src = py;
   format = "other";
 
diff --git a/pkgs/misc/frescobaldi/default.nix b/pkgs/misc/frescobaldi/default.nix
index abf4970c616d..d89fa3760a95 100644
--- a/pkgs/misc/frescobaldi/default.nix
+++ b/pkgs/misc/frescobaldi/default.nix
@@ -1,7 +1,7 @@
 { lib, buildPythonApplication, fetchFromGitHub, python3Packages, pyqtwebengine, lilypond }:
 
 buildPythonApplication rec {
-  name = "frescobaldi-${version}";
+  pname = "frescobaldi";
   version = "3.1.1";
 
   src = fetchFromGitHub {
diff --git a/pkgs/os-specific/linux/bcc/default.nix b/pkgs/os-specific/linux/bcc/default.nix
index 949d953c3bd5..585ab6ec7253 100644
--- a/pkgs/os-specific/linux/bcc/default.nix
+++ b/pkgs/os-specific/linux/bcc/default.nix
@@ -4,8 +4,8 @@
 }:
 
 python.pkgs.buildPythonApplication rec {
+  pname = "bcc";
   version = "0.13.0";
-  name = "bcc-${version}";
 
   src = fetchurl {
     url = "https://github.com/iovisor/bcc/releases/download/v${version}/bcc-src-with-submodule.tar.gz";
diff --git a/pkgs/servers/amqp/qpid-cpp/default.nix b/pkgs/servers/amqp/qpid-cpp/default.nix
index 02c2e03d90fa..4eb56ee4ae20 100644
--- a/pkgs/servers/amqp/qpid-cpp/default.nix
+++ b/pkgs/servers/amqp/qpid-cpp/default.nix
@@ -1,7 +1,8 @@
 { stdenv, fetchurl, cmake, python2, boost, libuuid, ruby, buildEnv, buildPythonPackage, qpid-python }:
 
 let
-  name = "qpid-cpp-${version}";
+  pname = "qpid-cpp";
+  name = "${pname}-${version}";
   version = "1.39.0";
 
   src = fetchurl {
@@ -20,7 +21,7 @@ let
   };
 
   qpid-cpp = stdenv.mkDerivation {
-    inherit src meta name;
+    inherit src meta pname version;
 
     nativeBuildInputs = [ cmake ];
     buildInputs = [ boost libuuid ruby python2 ];
@@ -46,7 +47,7 @@ let
   };
 
   python-frontend = buildPythonPackage {
-    inherit name meta src;
+    inherit pname version meta src;
 
     sourceRoot = "${name}/management/python";
 
diff --git a/pkgs/servers/headphones/default.nix b/pkgs/servers/headphones/default.nix
index aab651d5a4a5..7259104d145f 100644
--- a/pkgs/servers/headphones/default.nix
+++ b/pkgs/servers/headphones/default.nix
@@ -1,7 +1,7 @@
 { stdenv, fetchFromGitHub, python2, makeWrapper }:
 
 python2.pkgs.buildPythonApplication rec {
-  name = "headphones-${version}";
+  pname = "headphones";
   version = "0.5.19";
 
   src = fetchFromGitHub {
diff --git a/pkgs/servers/http/hyp/default.nix b/pkgs/servers/http/hyp/default.nix
index 3a1eb50f05be..c34959f9d047 100644
--- a/pkgs/servers/http/hyp/default.nix
+++ b/pkgs/servers/http/hyp/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl, python3Packages }:
 
 python3Packages.buildPythonPackage rec {
-  name = "hyp-server-${version}";
+  pname = "hyp-server";
   version = "1.2.0";
 
-  src = fetchurl {
-    url    = "mirror://pypi/h/hyp-server/${name}.tar.gz";
+  src = python3Packages.fetchPypi {
+    inherit pname version;
     sha256 = "1lafjdcn9nnq6xc3hhyizfwh6l69lc7rixn6dx65aq71c913jc15";
   };
 
diff --git a/pkgs/servers/sickbeard/sickrage.nix b/pkgs/servers/sickbeard/sickrage.nix
index cbde11e3dc0c..1a187dffd23e 100644
--- a/pkgs/servers/sickbeard/sickrage.nix
+++ b/pkgs/servers/sickbeard/sickrage.nix
@@ -1,7 +1,7 @@
 { stdenv, fetchFromGitHub, python2, makeWrapper }:
 
 python2.pkgs.buildPythonApplication rec {
-  name = "sickrage-${version}";
+  pname = "sickrage";
   version = "v2018.07.21-1";
 
   src = fetchFromGitHub {
diff --git a/pkgs/tools/X11/arandr/default.nix b/pkgs/tools/X11/arandr/default.nix
index 51f2f5ec2494..3fffd1dbc1a0 100644
--- a/pkgs/tools/X11/arandr/default.nix
+++ b/pkgs/tools/X11/arandr/default.nix
@@ -5,8 +5,11 @@
 
 let
   inherit (python3Packages) buildPythonApplication docutils pygobject3;
+  pname = "arandr";
+  version = "0.1.10";
+  name = "${pname}-${version}";
 in buildPythonApplication rec {
-  name = "arandr-0.1.10";
+  inherit pname version;
 
   src = fetchurl {
     url = "https://christian.amsuess.com/tools/arandr/files/${name}.tar.gz";
diff --git a/pkgs/tools/misc/mimeo/default.nix b/pkgs/tools/misc/mimeo/default.nix
index ea596a942137..64cad47b5408 100644
--- a/pkgs/tools/misc/mimeo/default.nix
+++ b/pkgs/tools/misc/mimeo/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl, desktop-file-utils, file, python3Packages }:
 
 python3Packages.buildPythonApplication rec {
-  name = "mimeo-${version}";
+  pname = "mimeo";
   version = "2019.7";
 
   src = fetchurl {
-    url = "https://xyne.archlinux.ca/projects/mimeo/src/${name}.tar.xz";
+    url = "https://xyne.archlinux.ca/projects/mimeo/src/${pname}-${version}.tar.xz";
     sha256 = "0nzn7qvmpbb17d6q16llnhz1qdmyg718q59ic4gw2rq23cd6q47r";
   };
 
diff --git a/pkgs/tools/misc/trash-cli/default.nix b/pkgs/tools/misc/trash-cli/default.nix
index ac8feaef2758..7fcd3176c7e9 100644
--- a/pkgs/tools/misc/trash-cli/default.nix
+++ b/pkgs/tools/misc/trash-cli/default.nix
@@ -2,9 +2,8 @@
 , python3Packages, substituteAll }:
 
 python3Packages.buildPythonApplication rec {
-  name = "trash-cli-${version}";
+  pname = "trash-cli";
   version = "0.17.1.14";
-  namePrefix = "";
 
   src = fetchFromGitHub {
     owner = "andreafrancia";
diff --git a/pkgs/tools/misc/unicode/default.nix b/pkgs/tools/misc/unicode/default.nix
index 9ace1f137b82..94289f0d9b72 100644
--- a/pkgs/tools/misc/unicode/default.nix
+++ b/pkgs/tools/misc/unicode/default.nix
@@ -1,7 +1,7 @@
 { stdenv, fetchFromGitHub, fetchurl, python3Packages }:
 
 python3Packages.buildPythonApplication rec {
-  name = "unicode-${version}";
+  pname = "unicode";
   version = "2.6";
 
   src = fetchFromGitHub {
diff --git a/pkgs/tools/security/chipsec/default.nix b/pkgs/tools/security/chipsec/default.nix
index 7d7456309899..f528cb800ea5 100644
--- a/pkgs/tools/security/chipsec/default.nix
+++ b/pkgs/tools/security/chipsec/default.nix
@@ -1,7 +1,7 @@
 { stdenv, lib, fetchFromGitHub, pythonPackages, nasm, libelf
 , kernel ? null, withDriver ? false }:
 pythonPackages.buildPythonApplication rec {
-  name = "chipsec-${version}";
+  pname = "chipsec";
   version = "1.4.7";
 
   src = fetchFromGitHub {
diff --git a/pkgs/tools/security/knockknock/default.nix b/pkgs/tools/security/knockknock/default.nix
index ce7663b18cf9..9478bb4ca237 100644
--- a/pkgs/tools/security/knockknock/default.nix
+++ b/pkgs/tools/security/knockknock/default.nix
@@ -1,8 +1,9 @@
 { stdenv, fetchFromGitHub, python2Packages, hping }:
-
-python2Packages.buildPythonApplication rec {
+let
   rev  = "bf14bbff";
-  name = "knockknock-r${rev}";
+in python2Packages.buildPythonApplication rec {
+  pname = "knockknock-r";
+  version = rev;
 
   src = fetchFromGitHub {
     inherit rev;
diff --git a/pkgs/tools/security/sshuttle/default.nix b/pkgs/tools/security/sshuttle/default.nix
index 0e0e8c7ad753..0ec98ec1cf22 100644
--- a/pkgs/tools/security/sshuttle/default.nix
+++ b/pkgs/tools/security/sshuttle/default.nix
@@ -2,12 +2,12 @@
 , coreutils, iptables, nettools, openssh, procps }:
 
 python3Packages.buildPythonApplication rec {
-  name = "sshuttle-${version}";
+  pname = "sshuttle";
   version = "0.78.5";
 
-  src = fetchurl {
+  src = python3Packages.fetchPypi {
+    inherit pname version;
     sha256 = "0vp13xwrhx4m6zgsyzvai84lkq9mzkaw47j58dk0ll95kaymk2x8";
-    url = "mirror://pypi/s/sshuttle/${name}.tar.gz";
   };
 
   patches = [ ./sudo.patch ];
diff --git a/pkgs/tools/typesetting/rubber/default.nix b/pkgs/tools/typesetting/rubber/default.nix
index 21d83dd1dd06..a045a9810b99 100644
--- a/pkgs/tools/typesetting/rubber/default.nix
+++ b/pkgs/tools/typesetting/rubber/default.nix
@@ -1,11 +1,11 @@
 { fetchurl, stdenv, python3Packages, texinfo }:
 
 python3Packages.buildPythonApplication rec {
-  name = "rubber-${version}";
+  pname = "rubber";
   version = "1.5.1";
 
   src = fetchurl {
-    url = "https://launchpad.net/rubber/trunk/${version}/+download/${name}.tar.gz";
+    url = "https://launchpad.net/rubber/trunk/${version}/+download/${pname}-${version}.tar.gz";
     sha256 = "178dmrp0mza5gqjiqgk6dqs0c10s0c517pk6k9pjbam86vf47a1p";
   };
 
diff --git a/pkgs/tools/video/vnc2flv/default.nix b/pkgs/tools/video/vnc2flv/default.nix
index 561c8cf7d78f..52d3e34f347b 100644
--- a/pkgs/tools/video/vnc2flv/default.nix
+++ b/pkgs/tools/video/vnc2flv/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl, pythonPackages }:
 
 pythonPackages.buildPythonApplication rec {
-  name = "vnc2flv-20100207";
-  namePrefix = "";
+  pname = "vnc2flv";
+  version = "20100207";
 
   src = fetchurl {
-    url = "mirror://pypi/v/vnc2flv/${name}.tar.gz";
+    url = "mirror://pypi/v/vnc2flv/${pname}-${version}.tar.gz";
     sha256 = "14d4nm8yim0bm0nd3wyj7z4zdsg5zk3d9bhhvwdc36x03r8d0sbq";
   };
 
diff --git a/pkgs/tools/virtualization/euca2ools/default.nix b/pkgs/tools/virtualization/euca2ools/default.nix
index cb31a66ea72d..0f00a3606d3c 100644
--- a/pkgs/tools/virtualization/euca2ools/default.nix
+++ b/pkgs/tools/virtualization/euca2ools/default.nix
@@ -3,8 +3,8 @@
 let
   inherit (python2Packages) buildPythonApplication boto m2crypto;
 in buildPythonApplication {
-  name = "euca2ools-2.1.4";
-  namePrefix = "";
+  pname = "euca2ools";
+  version = "2.1.4";
 
   src = fetchgit {
     url = https://github.com/eucalyptus/euca2ools.git;
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 8bfd0ccbc5de..bc36f8cd2e22 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -4590,7 +4590,9 @@ in {
 
   notify2 = callPackage ../development/python-modules/notify2 {};
 
-  notmuch = callPackage ../development/python-modules/notmuch { };
+  notmuch = callPackage ../development/python-modules/notmuch {
+    inherit (pkgs) notmuch;
+  };
 
   emoji = callPackage ../development/python-modules/emoji { };